What is CVE-2026-64951?

CVE-2026-64951 is a low-severity vulnerability in Rapid7 Velociraptor, classified under Divide By Zero. CVSS score: 3.5/10. Published 2026-08-12.

How severe is CVE-2026-64951?

Low severity. CVSS v3 base score is 3.5 out of 10.

Vulnerability in Rapid7 Velociraptor

CVE-2026-64951

A rogue Velociraptor client can upload a malformed sparse file such that if the GUI attempts to expand the file, a panic occurs which may crash the server process. The problem is a Divide by Zero bug in the ShouldPadFile() function.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.

Affected products

Rapid7 Velociraptor — versions 0

Weakness classification (CWE)

CWE-369 — Divide By Zero

References

cve@rapid7.com

Frequently asked questions

What is CVE-2026-64951?: CVE-2026-64951 is a low-severity vulnerability in Rapid7 Velociraptor, classified under Divide By Zero. CVSS score: 3.5/10. Published 2026-08-12.
How severe is CVE-2026-64951?: Low severity. CVSS v3 base score is 3.5 out of 10.